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## Answers

DISCRIMINANT is the name given to the expression,that appears under the root (radical) sign in quadratic formula.

it will determine whether or not the roots are real or imaginary

when:

b² - 4ac > 0, roots are real and unequal

b² - 4ac < 0, roots are complex

b² - 4ac = 0, roots are real and equal

b² - 4ac < 0 and b=0, roots are purely imaginary